Polo v reg 1999 - My V reg Vw polo failed emissions - polov

My car failed Emissions I dont know what the problem is here are my readings.

Fast idle test, CO<= 0.3 % 0.46% Fail, HC <= 200PPM 267 PPM Fail
But the lambda passed?
It also failed the secound Fast idle test
Only did hc get higher ar 292 PPM

Need help please.. thankyou